Table 1 Participant Characteristics (Mean±SD)
Nonusers | Users | P -value | |
---|---|---|---|
N | 101 | 74 | — |
Age | 30.3±10.3 | 31.3±7.9 | 0.45 |
Gender (M/F) | 50/51 | 46/28 | 0.10 |
Full IQ | 109.7±13.8 | 106.7±12.0 | 0.14 |
Duration of use (years) | — | 10.6±7.3 | — |
No. of lifetime occurrence of cannabis use | — | 14 173.8±10 866.0 | — |
Baseline THC/Cr | — | 6.0±6.5 | — |
3-day abstinent THC/Cr (at time of scan) | — | 1.9±1.4 | — |
No. of hours since last cannabis use | — | 75.8±4.7 | — |
Number of participants per scan: N (M/F) | |||
PC MRI | 98 (49/49) | 67 (40/27) | |
TRUST MRI | 93 (47/46) | 66 (39/27) | |
pCASL MRI | 94 (47/47) | 64 (40/24) |